Carbide Milling Inserts for CNC Machining

OMIST supplies carbide milling inserts for buyers who source by insert family, machining application, or an existing cutter system. If you already know the insert designation, you can start with the corresponding product family below. If the model is unknown, the cutter and insert information can be reviewed later in the matching section.

Milling Insert Product Range

APMT Milling Inserts

APMT is one of the main indexable milling insert families in our current range.

Key APMT designations include:

• APMT1135
• APMT1604

Additional designations or suffixes may apply to a specific requirement. Therefore, please provide the complete insert marking whenever possible.

For model-specific information, see:

APMT1135 Milling Inserts

APMT1604 Milling Inserts

APKT Milling Inserts

Our main APKT designations include:

• APKT1135
• APKT1604

For quotation, please provide the complete APKT designation whenever available. This helps us review the correct model without relying only on the basic size code.

For model-specific information, see:

APKT1135 Milling Inserts

APKT1604 Milling Inserts

For a detailed explanation of the two insert families, see APMT vs APKT Inserts.

Square Milling Inserts

We group square milling inserts by insert shape rather than by one specific milling operation.

Because cutter systems vary, the complete insert designation and cutter body determine the required dimensions and compatibility. Therefore, square milling inserts remain separate from shoulder milling inserts, which are primarily defined by machining application.

Round Milling Inserts

Round milling inserts are available in several catalog series.

Representative series include:

• RDMT
• RDMW
• RPMT
• RPMW
• RCKT

When requesting a round milling insert, please provide the complete designation or the existing cutter body information. We can then review the required series according to the available product information.

Shoulder Milling Inserts

Shoulder milling inserts are selected according to the machining application and the corresponding cutter system.

Depending on the cutter system, different insert families may be used for shoulder or step milling. For this reason, please provide the cutter body, insert pocket information, and required shoulder geometry before quotation.

For dedicated 90° shoulder milling and cutter-system-based insert requirements, see Shoulder Milling Inserts.

High Feed Milling Inserts

High-feed milling inserts are also included in our milling insert range.

For a high-feed application, please provide the insert requirement, cutter information, workpiece material, and machining application. We can then review the relevant grade, coating, and geometry requirements without assuming a fixed solution before the actual application is known.

Choose Milling Inserts by Machining Operation

Buyers do not always start with a complete insert code. In many cases, the machining operation is the easiest starting point.

Face Milling

For face milling, provide the existing cutter body model and current insert designation whenever available. This information helps identify an insert option for the existing cutter system.

You can also view our Face Milling Cutter product range:

Shoulder and Step Milling

For shoulder or step milling, provide the cutter body and the required shoulder geometry. The cutter and insert work as a system, so both should be considered during product evaluation.

High-Feed Milling

For high-feed milling, provide the cutter model and current insert code whenever possible. If the code is unknown, clear photos of the cutter and existing insert can provide useful reference information.

Profiling, Contouring and General Milling

For profiling, contouring, or general milling, send the available tooling information together with the workpiece material and machining requirement. This gives us a clearer basis for product evaluation.

Milling Insert Matching and Cutter Compatibility

When you replace an existing insert, the cutter system is just as important as the basic insert size. Therefore, do not select a replacement only because another insert has a similar size code.

Match by Complete Insert Designation

The complete marking on the existing insert is the preferred starting point for matching and quotation.

A basic family and size code may not provide enough information to confirm a replacement. Whenever possible, send a clear photo that shows the full insert marking.

Check the Existing Cutter Body and Insert Pocket

For replacement insert evaluation, useful cutter information includes:

• Cutter body model
• Cutter body marking
• Insert pocket photo
• Existing insert photo
• Clamping or screw details, when relevant

This information helps reduce the risk of choosing an insert that does not match the existing cutter system.

Confirm Key Insert Dimensions

If you cannot identify the complete model, key dimensions can provide additional reference information.

Useful dimensions include:

• Insert size
• Thickness
• Hole size
• Corner radius
• Insert shape
• Relevant clamping details

However, dimensions should be reviewed together with the cutter information rather than used as the only compatibility check.

When the Insert Model Is Unknown

If the original model is unknown, please provide:

• Clear photos of the existing insert
• Photos of the empty insert pocket
• Cutter body model or marking
• Main insert dimensions
• Workpiece material
• Milling operation

If a drawing is available, you can send it as additional reference information.

Milling Inserts for Different Workpiece Materials

Workpiece material and machining application are important inputs when reviewing milling inserts.

Please provide the actual workpiece material so that the insert requirement can be evaluated together with the cutter system and machining operation.

After the insert family, cutter compatibility, workpiece material, and machining operation are clear, we can review the relevant grade, coating, and geometry requirements.

Custom Milling Inserts from Drawings

In addition to standard catalog inserts, OMIST can evaluate custom milling insert requirements based on customer drawings.

For a custom inquiry, please provide:

• Drawing
• Required insert dimensions
• Workpiece material
• Machining application
• Quantity

If the custom insert must fit an existing cutter body, please also provide the cutter model, insert pocket details, or relevant cutter dimensions.

OMIST will review the drawing and application information first. After that, we can confirm manufacturing feasibility and quotation.

How to Request a Milling Insert Quote

To request a quotation, choose the situation that matches your requirement and send the available information.

When You Have the Complete Insert Code

Please provide:

• Complete insert designation
• Required quantity

If you also need replacement compatibility checking, include the cutter body model.

When You Need Help Identifying a Replacement Insert

Please provide:

• Existing insert photos
• Full marking, if visible
• Cutter body model or marking
• Empty insert pocket photo
• Main dimensions
• Workpiece material
• Milling operation
• Quantity

We will review the available product information and advise whether additional details are needed for evaluation.

When You Need a Non-Standard Insert

Please provide:

• Drawing
• Required dimensions
• Workpiece material
• Machining application
• Quantity
• Existing cutter information, if compatibility is required

We will evaluate the custom requirement from the supplied drawing before confirming the quotation.

Milling Inserts FAQ

What information is needed to quote a milling insert?

If you know the complete insert designation, send it together with the required quantity. For replacement, application-based, or custom requirements, also provide the relevant cutter information, workpiece material, milling operation, photos, or drawings as applicable.

Can you help match inserts for my existing milling cutter?

Yes. Send the complete insert marking and cutter body model whenever available. If the model is unknown, clear photos and key dimensions can be reviewed as supporting information.

How do I identify a replacement insert without the full model?

Provide photos of the existing insert, cutter body, and insert pocket together with the available dimensions. We can review this information and advise whether more details are required.

Can APMT and APKT inserts be used in the same cutter body?

Do not assume that APMT and APKT inserts are interchangeable based only on the basic size code. Compatibility depends on the specific insert designation and cutter system.

For more detail, see APMT vs APKT Inserts.

Can custom milling inserts be made from drawings?

Yes. Custom milling insert requirements can be evaluated from customer drawings. OMIST reviews the drawing and application information before confirming manufacturing feasibility and quotation.

Request a Quote for Milling Inserts

Send your available insert, cutter, photo, or drawing information to OMIST by email or WhatsApp. We will review your milling insert requirement and confirm the quotation based on the available information.